Knife



FIG. 1 illustrates a front view of a knife employing the ornamental design in accordance with the invention;

FIG. 2 illustrates a back view of the knife of FIG. 1;

FIG. 3 illustrates a left side view of the knife of FIG. 1;

FIG. 4 illustrates a right side view of the knife of FIG. 1;

FIG. 5 illustrates a top end view of the knife of FIG. 1; and,

FIG. 6 illustrates a bottom end view of the knife of FIG. 1. 

The ornamental design for a knife, as shown and described. 